<div class="apiDetail">
	<div>
		<h2>
			<span>Boolean</span><span class="path">treeNode.</span>open
		</h2>
		<h3>
			Overview<span class="h3_info">[ depends on <span
				class="highlight_green">jquery.ztree.core</span> js ]
			</span>
		</h3>
		<div class="desc">
			<p></p>
			<div class="longdesc">
				<p>Used to record the parent node's expand status.</p>
				<p class="highlight_red">1. When zTree initialize the node data,
					if you set treeNode.open = true, zTree will default expand this
					parent node.</p>
				<p class="highlight_red">2. Leaf node's 'open' attribute is
					false.</p>
				<p class="highlight_red">3. In order to solve the problem of
					someone make json data, supporting "false", "true" format of the
					data string.</p>
				<p class="highlight_red">4. When setting.async.enable = false,
					the parent node will be expanded which have no child nodes and its
					attribute 'open' is true. (v3.5.15+)</p>
				<p>Default: false</p>
			</div>
		</div>
		<h3>Boolean Format</h3>
		<div class="desc">
			<p>true means: the parent node is expanded.</p>
			<p>false means: the parent node is collapsed.</p>
		</div>
		<h3>Examples of treeNode</h3>
		<h4>1. Get the first selected node's expand status.</h4>
		<pre xmlns="">
			<code>var treeObj = $.fn.zTree.getZTreeObj("tree");
var sNodes = treeObj.getSelectedNodes();
if (sNodes.length > 0) {
	var isOpen = sNodes[0].open;
}
</code>
		</pre>
	</div>
</div>